MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and compromised CMS upload links indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://queure.ru/uplcv?utm_term=bloxburg+1k+house PDF link annotation
- https://photopoligrafic.ru/ckfinder/userfiles/files/34121131107.pdfIn PDF document text
- https://lacausedeslivres.com/userfiles/file/9281321536.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132db433feae---nunusemifubagutoxogineve.pdfIn PDF document text
- http://tbff-bygg.se/img/files/xukuwivonawepopim.pdfIn PDF document text
- https://trvstore.com/userfiles/file/xasomutitopewalij.pdfIn PDF document text
- https://academiapreprod.riportico.com/userfiles/files/nifepo.pdfIn PDF document text
- https://kompaspt1.com/contents/files/85006033760.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1614c5c551a963---dutavujuregejiporil.pdfIn PDF document text
- http://www.vako.vn/app/webroot/uploads/files/19309657105.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/161314c6b1f927---61359520289.pdfIn PDF document text
- http://dieutrimun.myphamkangnam.vn/webroot/img/files/61354546846.pdfIn PDF document text
- http://clainvest.pl/userfiles/file/wozuribibik.pdfIn PDF document text
- http://www.deep2001.com/images/library/File/5153164117.pdfIn PDF document text
- https://jackinthegym.com/uploads/files/202109260718171777.pdfIn PDF document text
- https://www.southdownscellars.co.uk/ckfinder/userfiles/files/32214508045.pdfIn PDF document text
- http://nocleginaplus.pl/uploads/userfiles/files/83393547156.pdfIn PDF document text
- http://zima.italie-ubytovani.cz/data/file/rumof.pdfIn PDF document text
- https://www.amata.org.uk/ckfinder/userfiles/files/wilaxopezujemigepipepani.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16133c90546be8---dakakikomikuvuvixabemefuk.pdfIn PDF document text
- http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/mawojadoxigosofuxafenabe.pdfIn PDF document text
- https://redfortfireworks.com/ckfinder/userfiles/files/44075854947.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/tuzet.pdfIn PDF document text
- https://ezastupitelstvo.sk/editor_uploads/system/files/zefewumemirafafo.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bc63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d475.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD475 | 18976 bytes |
SHA-256: 5be4217e7db349d9ab15f53898f8f0fdd4ffa3f1dc9c6edfe143123afed1fade |
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font_02_sfnt_off0001065a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1065A | 10468 bytes |
SHA-256: ad78d933137e6dd4b76e764528947d0dc617c545211635e150ebd67d6f0e4cf1 |
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